//文件size转换
let sizeTostr = (size) => {
  var data = "";
  console.log(size);
  if (size < 0.1 * 1024) { //如果小于0.1KB转化成B
    data = (size * 1).toFixed(2) + "B";
  } else if (size < 0.1 * 1024 * 1024) {//如果小于0.1MB转化成KB  
    data = (size / 1024).toFixed(2) + "KB";
  } else if (size < 0.1 * 1024 * 1024 * 1024) { //如果小于0.1GB转化成MB  
    data = (size / (1024 * 1024)).toFixed(2) + "MB";
  } else { //其他转化成GB  
    data = (size / (1024 * 1024 * 1024)).toFixed(2) + "GB";
  }
  var sizestr = data + "";
  var len = sizestr.indexOf("\.");
  var dec = sizestr.substr(len + 1, 2);
  if (dec == "00") {//当小数点后为00时 去掉小数部分  
    return sizestr.substring(0, len) + sizestr.substr(len + 3, 2);
  }
  return sizestr;
}

export default sizeTostr